2х 8 5 4х July 8, 2019 16 32 64 128 4х 6 - 2 8 х 5 4 х 5 8 4х 2 3 х 5 4х 2 8 2-5х 8 2х-5 8 2х - 8 = 5 2 x 2 5 2 х-4=8+2х